Go-Based Crypto Trading Bot Development

I require a skilled developer with experience in Go (Golang) programming to construct a crypto trading bot.

Key Features:
- Capable of trading BTCUSDT in both the spot and futures markets (perpetual).
- Should support operations on Bitfinex and Gate.io.
- Allow changes to the pair via a config file.
- Bot will run in Ubuntu.

Job Expectations:
- Gather balance information and top price of bid and ask via websocket.
- It's not required to implement any particular trading strategy at the moment.
- Expertise with crypto trading bots is necessary.
- Proficiency in Go (Golang) is essential.
- Source code provision.

This is a challenging project for an innovative software developer. Join me in creating an advanced tool for the crypto markets!